A Study of Estimation of Atmospheric CO<sub>2</sub> Storage in Evergreen Broad-leaved Environmental Protection Forests

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  • Miyauchi Daisaku
    Department of Environment and Natural Sciences, Yokohama National University
  • Fujiwara Kazue
    Graduate School of Environment and Information Science, Yokohama National University

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Other Title
  • 照葉樹環境保全林における二酸化炭素固定量推定に関する研究
  • 照葉樹環境保全林における二酸化炭素固定量推定に関する研究--照葉樹環境保全林の地上部現存量
  • テリハジュ カンキョウ ホゼンリン ニ オケル ニサンカ タンソ コテイリョウ スイテイ ニ カンスル ケンキュウ テリハジュ カンキョウ ホゼンリン ノ チジョウブ ゲンソンリョウ
  • Above Ground Biomass of Evergreen Broad-leaved Environmental Protection Forest
  • 照葉樹環境保全林の地上部現存量

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Abstract

Twenty-four evergreen broad-leaved sample trees (Cinnamomum camphora, Quercus glauca, Persea thunbergii, Elaeocarpus sylvestris var. ellipticus, Lithocarpus edulis ) were cut down in an environmental protection forest 30 years-old after plantation at reclaimed land in Oita city, Oita Prefecture. After trunk diameters and height were measured, the trunk, branch, and leaves were weighted. Allometric relationships to predict individual weights of trunk, branch, and leaves were established and we estimated above ground biomass. Total above-ground biomass at the Oita site amounted to 327.3 (Trunk: 230.1, Branch: 82.3, Leaf: 14.9) t/ha. This value is similar as former study at 50-60 years evergreen broad-leaved forest in Japan.

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